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In a mono I guess you need more torque than actual top end power compared to a hydro, caused by greater weight and wetted area causing more friction? With 4-cycle engines, longer stroke will give you more torque, but it is not that simple with 2-cycle from what I understand? So any suggestions...

Most boom tubes seems to be made of CF nowadays. I know the material is lighter and stiffer than aluminium, but as a result of the stiffness it is also more prone to develope cracks. Especially with designs incorporating removable tubes, sponsons and adjustable AOA, there can be many sharp...

Hi Is there a simple way to reverse rotation on a CMB 45 RS gear version, to be able to use this engine on direct drive. Jan Erik

Anybody know the manufacturer of this "rigger". It is a .45, 36 inch long. Regards Jan Erik

I just wonder what makes the standard version of the TT inferior in performance to the OS? Looking at the specs in the adverts. Some says 1.6 hp and others 2.1 hp compared to OS 1.3 hp. I know one should not rely on advert but anyway. I am a newbie but my engineering background tells me you...

Over the years K&B must have made sleeves for the 3.5 with different timing. Thinking of the boat, car and plane versions. Some of you guys must have experience with trying out these sleeves on the outboard. Is it so that the standard sleeve in a 3.5 SS is the best option for a "stock" engine...

I am trying to get hold of a Rossi R45 outboard. I know they are out of production and they are very hard to get hold of here in Europe. I guess most of the production went to the US. Does anyone know of one for sale, new or second hand, then I am interested. Regard Jan Erik